# Swimming at the 2018 Commonwealth Games – Men's 100 metre backstroke

The men's 100 metre backstroke event at the 2018 Commonwealth Games was held on 5 and 6 April at the Gold Coast Aquatic Centre.

## Records

Prior to this competition, the existing world, Commonwealth and Games records were as follows:
| World record | Ryan Murphy (USA) | 51.85 | Rio de Janeiro, Brazil | 13 August 2016 |
| Commonwealth record | Mitch Larkin (AUS) | 52.11 | Dubai, United Arab Emirates | 6 November 2015 |
| Games record | Chris Walker-Hebborn (ENG) | 53.12 | Glasgow, United Kingdom | 25 July 2014 |

## Schedule

The schedule is as follows:
All times are Australian Eastern Standard Time (UTC+10)
| Date | Time | Round |
| Thursday 5 April 2018 | 11:47 | Qualifying |
| Thursday 5 April 2018 | 21:22 | Semifinals |
| Friday 6 April 2018 | 21:36 | Final |

## Results
### Heats

| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 3 | 4 | Mitch Larkin | Australia | 54.02 | Q |
| 2 | 3 | 3 | Luke Greenbank | England | 54.62 | Q |
| 3 | 3 | 5 | Bradley Woodward | Australia | 54.71 | Q |
| 4 | 2 | 4 | Corey Main | New Zealand | 54.99 | Q |
| 5 | 1 | 3 | Elliot Clogg | England | 55.08 | Q |
| 6 | 2 | 3 | Markus Thormeyer | Canada | 55.26 | Q |
| 7 | 1 | 4 | Ben Treffers | Australia | 55.30 | Q |
| 8 | 1 | 5 | Xavier Castelli | Wales | 55.51 | Q |
| 9 | 2 | 5 | Conor Ferguson | Northern Ireland | 55.54 | Q |
| 10 | 2 | 6 | Calvyn Justus | South Africa | 55.69 | Q |
| 11 | 3 | 6 | Craig McNally | Scotland | 56.19 | Q |
| 12 | 1 | 6 | Martin Binedell | South Africa | 56.37 | Q |
| 13 | 3 | 7 | Harry Shalamon | Jersey | 56.41 | Q |
| 14 | 2 | 7 | Jason Arthur | Ghana | 56.52 | Q |
| 15 | 1 | 2 | Srihari Nataraj | India | 56.71 | Q |
| 16 | 1 | 7 | Thomas Hollingsworth | Guernsey | 57.61 | Q |
| 17 | 3 | 2 | Jian Han Tern | Malaysia | 58.10 | |
| 18 | 2 | 2 | Akalanka Peiris | Sri Lanka | 58.68 | |
| 19 | 2 | 1 | Syed Muhammad Haseeb Tariq | Pakistan | 59.39 | |
| 20 | 1 | 1 | Erico Cuna | Mozambique | 1:01.27 | |
| 21 | 3 | 8 | Jordan Gonzalez | Gibraltar | 1:01.38 | |
| 22 | 3 | 1 | Steven Maina | Kenya | 1:01.65 | |
| 23 | 2 | 8 | Cruz Halbich | Saint Vincent and the Grenadines | 1:08.08 | |
| 24 | 1 | 8 | Joshua Yon | Saint Helena | 1:13.01 | |

### Semifinals

| Rank | Heat | Lane | Name | Nationality | Time | Notes |
| 1 | 2 | 4 | Mitch Larkin | Australia | 53.15 | Q |
| 2 | 1 | 3 | Markus Thormeyer | Canada | 53.86 | Q |
| 3 | 2 | 5 | Bradley Woodward | Australia | 54.22 | Q |
| 4 | 2 | 2 | Conor Ferguson | Northern Ireland | 54.48 | Q |
| 5 | 1 | 4 | Luke Greenbank | England | 54.54 | Q |
| 6 | 2 | 6 | Ben Treffers | Australia | 54.62 | Q |
| 7 | 1 | 5 | Corey Main | New Zealand | 55.02 | Q |
| 8 | 1 | 6 | Xavier Castelli | Wales | 55.13 | Q |
| 9 | 1 | 7 | Martin Binedell | South Africa | 55.25 | |
| 9 | 1 | 2 | Calvyn Justus | South Africa | 55.25 | |
| 11 | 2 | 7 | Craig McNally | Scotland | 55.28 | |
| 12 | 2 | 3 | Elliot Clogg | England | 55.42 | |
| 13 | 2 | 1 | Harry Shalamon | Jersey | 56.47 | |
| 14 | 2 | 8 | Srihari Nataraj | India | 56.65 | |
| 15 | 1 | 1 | Jason Arthur | Ghana | 56.85 | |
| 16 | 1 | 8 | Thomas Hollingsworth | Guernsey | 58.14 | |

### Final

| Rank | Lane | Name | Nationality | Time |
| | 4 | Mitch Larkin | Australia | 53.18 |
| | 3 | Bradley Woodward | Australia | 53.95 |
| | 5 | Markus Thormeyer | Canada | 54.14 |
| 4 | 2 | Luke Greenbank | England | 54.37 |
| 5 | 8 | Xavier Castelli | Wales | 54.60 |
| 6 | 7 | Ben Treffers | Australia | 54.62 |
| 7 | 1 | Corey Main | New Zealand | 54.88 |
| 8 | 6 | Conor Ferguson | Northern Ireland | 55.01 |